A powerful vampire causes chaos in Japan. Yukina, an apprentice Sword Shaman, encounters Akatsuki Kojou, the Fourth Primeval.

Anos depois de estarem vivendo no anonimato, os ciborgues são forçados a lutar novamente quando os super-humanos surgem com um plano nada bom para a humanidade.

Five high school literature club members gain superpowers, battling others with similar abilities as the extraordinary becomes part of their daily lives.